Beveling adjustable structure of primary saw and secondary saw

An adjustable structure for beveling of a primary saw and a secondary saw comprises a machine table, a first connecting plate is arranged on the side edge of the machine table, a mounting plate is hinged to the lower portion of the machine table, a saw body is arranged on the mounting plate, and an adjusting mechanism used for adjusting the mounting plate is arranged on the first connecting plate; the adjusting mechanism comprises a base; the lifting shaft is in driving connection with a sliding block, one end of the connecting rod is hinged to the sliding block, and the other end of the connecting rod is hinged to the mounting plate. At the moment, the mounting plate turns over relative to the side, hinged to the machine table, of the mounting plate, so that the saw body is driven to turn over, finally, when the sliding block ascends to the highest point, the connecting rod opens the mounting plate in the maximum stroke, the mounting plate is fixed at the position inclined by 45 degrees at the moment, and th